\def\section{\@startsection {section}{1}{\z@}{1.5ex}{1.5ex}{\large\bf}}
\def\subsection{\@startsection{subsection}{2}{\z@}{1.2ex}{1.2ex}{\normalsize\bf}}
%\def\subsubsection{\@startsection{subsubsection}{3}{\z@}{-2.0ex}{0.3ex}{\normalsize\bf}}
\def\subsubsection{\@startsection{subsubsection}{3}{\z@}{-3.0ex}{0.3ex}{\normalsize\bf}}
\def\paragraph{\@startsection{paragraph}{4}{\z@}{1.5ex}{-1em}{\normalsize\bf}}

%\def\section{\@startsection {section}{1}{\z@}{-3.25ex plus -1ex minus 
% -.2ex}{1.5ex plus .2ex}{\large\bf}}
%\def\subsection{\@startsection{subsection}{2}{\z@}{-3.25ex plus
% -1ex minus -.2ex}{1.5ex plus .2ex}{\normalsize\bf}}
%\def\subsubsection{\@startsection{subsubsection}{3}{\z@}{-3.25ex plus
% -1ex minus -.2ex}{1.5ex plus .2ex}{\normalsize\bf}}
